Why Is It?

Behind Thirst

August 2, 2007

A listener asks: What happens when we feel thirsty?

July 24, 2007

A listener asks: How do babies breathe inside the womb?

July 19, 2007

A listener asks: How was the solar system formed?

July 10, 2007

A listener asks: How does water get from your mouth to your tissues?

July 5, 2007

A listener asks: Which came first, the lizard or the snake?

June 26, 2007

A listener asks: Why do cows have four stomachs?

June 19, 2007

A listener asks: Do twins have their own secret languages?

June 12, 2007

A listener asks: Did the dinosaur extinction stink?

June 7, 2007

A listener asks: Why do we have allergies?

May 29, 2007

A listener asks: How is hibernation possible?